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blockdev: Keep track of monitor-owned BDS

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As a side effect, we can now make x-blockdev-del's check whether a BDS
is actually owned by the monitor explicit.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2016-01-29 16:36:12 +01:00
parent 2c1d04e002
commit 9c4218e957
4 changed files with 37 additions and 1 deletions
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4
include/block/block_int.h
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@ -445,6 +445,8 @@ struct BlockDriverState {
QTAILQ_ENTRY(BlockDriverState) device_list;
/* element of the list of all BlockDriverStates (all_bdrv_states) */
QTAILQ_ENTRY(BlockDriverState) bs_list;
/* element of the list of monitor-owned BDS */
QTAILQ_ENTRY(BlockDriverState) monitor_list;
QLIST_HEAD(, BdrvDirtyBitmap) dirty_bitmaps;
int refcnt;
@ -707,4 +709,6 @@ bool bdrv_requests_pending(BlockDriverState *bs);
void bdrv_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap **out);
void bdrv_undo_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap *in);
void blockdev_close_all_bdrv_states(void);
#endif /* BLOCK_INT_H */